package com.atguigu.gulimall.order.config;

import com.atguigu.gulimall.order.entity.OrderEntity;
import com.rabbitmq.client.Channel;
import org.springframework.amqp.core.*;
import org.springframework.amqp.rabbit.annotation.RabbitListener;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.io.IOException;
import java.util.HashMap;
import java.util.Map;


/**
 * 创建queue 和 exchange 到spring 容器
 */
@Configuration
public class MyMQConfig {

    /**
     * 订单死信队列
     */
    @Bean
    public Queue orderDelayQueue() {
        /*
        设置死信队列参数
            x-message-ttl
            x-dead-letter-exchange
            x-dead-letter-routing-key
         */
        Map<String, Object> arguments = new HashMap<>();
        arguments.put("x-dead-letter-exchange", "order-event-exchange");
        arguments.put("x-dead-letter-routing-key", "order.release.order");
        arguments.put("x-message-ttl", 60000);

        //Queue(String name, boolean durable, boolean exclusive, boolean autoDelete, Map<String, Object> arguments)
        Queue queue = new Queue("order.delay.queue", true, false, false, arguments);

        return queue;
    }

    /**
     * 对订单死信队列中到期的消息消费的队列
     */
    @Bean
    public Queue orderReLeaseOrderQueue() {
        Queue queue = new Queue("order.release.order.queue", true, false, false);

        return queue;
    }

    /**
     * 订单事件交换机
     */
    @Bean
    public Exchange orderEventExchange() {

        return new TopicExchange("order-event-exchange", true, false);
    }

    @Bean
    public Binding orderCreatOrderBinding() {

        return new Binding("order.delay.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.create.order",
                null);
    }

    @Bean
    public Binding orderReleaseOrderBinding() {

        return new Binding("order.release.order.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.release.order",
                null);
    }


    @Bean
    public Binding orderReleaseOtherBinding() {

        return new Binding("stock.release.stock.queue\n",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.release.other.#",
                null);
    }

    /**
     * 秒杀订单队列
     */
    @Bean
    public Queue orderSeckillOrderQueue() {
        return new Queue("order.seckill.order.queue", true, false, false);
    }

    @Bean
    public Binding orderSeckillOrderQueueBinding() {
        return new Binding("order.seckill.order.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.seckill.order",
                null);
    }

}
